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Globally, Cso (Cso , Чо ) is a very rare predominantly masculine, but scarcely girly first name. The given name Cso is habitual in Kazakhstan, where it is a rare dominantly male, but seldom female name, and Indonesia, where it is a very rare boy's name. More prevalently, Cso is the last name as well as the forename.
Cso is also a name for the fictitious and mythical characters: Jo March , the fictional character from Louisa May Alcott's Little Women; Jo Grant , the fictional character, Doctor Who; Ultra Boy , the DC Comics character, Superman: The Animated Series; Jo Danville , the fictional character, CSI: NY and Jo Reynolds , the soap opera character, Melrose Place, among other works.